有些兒童讀物的作者根本不考慮為什麼作品看起來怪怪的
SPY - SPDR S&P 500 ETF | State Street Global Advisors (SSgA) 圖片來源 http://www.zei6.net/tupian/2014/0930/30876.htmlThe SPDR® S&P® 500 ETF, before expenses, generally corresponds to the price and yield performance of the S&P 500® Index (Ticker: SPTR). Our approach is designed to provide portfolios with low portfolio turnover, accurate ......
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